<template>
  <div id="aCoursesList" class="bg-fa of">
    <!-- 讲师列表 开始 -->
    <section class="container">
      <header class="comm-title all-teacher-title">
        <h2 class="fl tac">
          <span class="c-333">全部讲师</span>
        </h2>
        <section class="c-tab-title">
          <a id="subjectAll" title="全部" href="#">全部</a>
          <!-- <c:forEach var="subject" items="${subjectList }">
                            <a id="${subject.subjectId}" title="${subject.subjectName }" href="javascript:void(0)" onclick="submitForm(${subject.subjectId})">${subject.subjectName }</a>
          </c:forEach>-->
        </section>
      </header>
      <section class="c-sort-box unBr">
        <div>
          <!-- /无数据提示 开始-->
          <section class="no-data-wrap" v-if="teacherInfo.total == 0">
            <em class="icon30 no-data-ico">&nbsp;</em>
            <span class="c-666 fsize14 ml10 vam"
              >没有相关数据，小编正在努力整理中...</span
            >
          </section>
          <!-- /无数据提示 结束-->
          <article class="i-teacher-list">
            <ul class="of">
              <li v-for="(teacher, index) in teacherInfo.records" :key="index">
                <section class="i-teach-wrap">
                  <div class="i-teach-pic">
                    <a :href="'/teacher/'+teacher.id" :title="teacher.name" target="_blank">
                      <img :src="teacher.avatar" alt />
                    </a>
                  </div>
                  <div class="mt10 hLh30 txtOf tac">
                    <a
                      :href="'/teacher/'+teacher.id"
                      :title="teacher.name"
                      target="_blank"
                      class="fsize18 c-666"
                      >{{ teacher.name }}</a
                    >
                  </div>
                  <div class="hLh30 txtOf tac">
                    <span class="fsize14 c-999">{{ teacher.intro }}</span>
                  </div>
                  <div class="mt15 i-q-txt">
                    <p class="c-999 f-fA">{{ teacher.career }}</p>
                  </div>
                </section>
              </li>
            </ul>
            <div class="clear"></div>
          </article>
        </div>
        <div>
        <!-- 分页开始 -->
        <div class="paging">
          <!-- undisable这个class是否存在，取决于数据属性hasPrevious -->
          <a
            :class="{ undisable: !teacherInfo.hasPrevious }"
            href="#"
            title="首页"
            @click.prevent="gotoPage(1)"
            >首页</a
          >
          <!-- prevent阻止了a标签的默认行为使其能够执行自定义的方法 -->
          <a
            :class="{ undisable: !teacherInfo.hasPrevious }"
            href="#"
            title="前一页"
            @click.prevent="gotoPage(teacherInfo.current - 1)"
            >&lt;</a
          >

          <a
            v-for="page in teacherInfo.pages"
            :key="page"
            :class="{
              current: teacherInfo.current == page,
              undisable: teacherInfo.current == page
            }"
            :title="'第' + page + '页'"
            href="#"
            @click.prevent="gotoPage(page)"
            >{{ page }}</a
          >

          <a
            :class="{ undisable: !teacherInfo.hasNext }"
            href="#"
            title="后一页"
            @click.prevent="gotoPage(teacherInfo.current + 1)"
            >&gt;</a
          >

          <a
            :class="{ undisable: !teacherInfo.hasNext }"
            href="#"
            title="末页"
            @click.prevent="gotoPage(teacherInfo.pages)"
            >末页</a
          >

          <div class="clear" />
        </div>
      </div>
      <!-- 公共分页 结束 -->
      </section>
    </section>
    <!-- /讲师列表 结束 -->
  </div>
</template>
<script>
import teacher from "@/api/teacher";
export default {
  data() {
    return {
      teacherInfo: [],
      current: 1,
      limit: 4
    };
    //异步调用，调用一次
    //params: 相当于之前 this.$route.params.id  等价  params.id
    // asyncData({ params, error }) {
    //   return teacherApi.getTeacherList(1,8).then(response => {
    //         //this.teachers = response.data.data
    //         return { teachers: response.data.data }
    //        不需要创建teachers就可以实现直接饮用
    //      })
  },
  created() {
    this.getTeacher();
  },
  methods: {
    //如果不用这种方法在上面使用asyncData也可以
    getTeacher() {
      teacher.getTeacherListPage(this.current, this.limit).then(response => {
        //因为直接保存map所以就能够实现.data.data能得到map不需要使用其他的
        this.teacherInfo = response.data.data;
      });
    },
    //实现分页效果的切换
    gotoPage(current) {
      teacher.getTeacherListPage(current, this.limit).then(response => {
        this.teacherInfo = response.data.data;
      });
    },
     //参数是页码数
    // gotoPage(page) {
    //   teacherApi.getTeacherList(page,8)
    //     .then(response => {
    //       this.data = response.data.data
    //     })
    // }
  }
};
</script>
